1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21package proguard.classfile.attribute.annotation.target;
22
23import proguard.classfile.*;
24import proguard.classfile.attribute.CodeAttribute;
25import proguard.classfile.attribute.annotation.TypeAnnotation;
26import proguard.classfile.attribute.annotation.target.visitor.*;
27
28/**
29 * Representation of a local variable annotation target.
30 *
31 * @author Eric Lafortune
32 */
33public class LocalVariableTargetInfo extends TargetInfo
34{
35    public int                          u2tableLength;
36    public LocalVariableTargetElement[] table;
37
38
39    /**
40     * Creates an uninitialized LocalVariableTargetInfo.
41     */
42    public LocalVariableTargetInfo()
43    {
44    }
45
46
47    /**
48     * Creates a partially initialized LocalVariableTargetInfo.
49     */
50    public LocalVariableTargetInfo(byte u1targetType)
51    {
52        super(u1targetType);
53    }
54
55
56    /**
57     * Creates an initialized LocalVariableTargetInfo.
58     */
59    protected LocalVariableTargetInfo(byte                         u1targetType,
60                                      int                          u2tableLength,
61                                      LocalVariableTargetElement[] table)
62    {
63        super(u1targetType);
64
65        this.u2tableLength = u2tableLength;
66        this.table         = table;
67    }
68
69
70    /**
71     * Applies the given visitor to all target elements.
72     */
73    public void targetElementsAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, LocalVariableTargetElementVisitor localVariableTargetElementVisitor)
74    {
75        for (int index = 0; index < u2tableLength; index++)
76        {
77            // We don't need double dispatching here, since there is only one
78            // type of TypePathInfo.
79            localVariableTargetElementVisitor.visitLocalVariableTargetElement(clazz, method, codeAttribute, typeAnnotation, this, table[index]);
80        }
81    }
82
83
84    // Implementations for TargetInfo.
85
86    /**
87     * Lets the visitor visit, with Method and CodeAttribute null.
88     */
89    public void accept(Clazz clazz, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)
90    {
91        targetInfoVisitor.visitLocalVariableTargetInfo(clazz, null, null, typeAnnotation, this);
92    }
93
94
95    public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)
96    {
97        targetInfoVisitor.visitLocalVariableTargetInfo(clazz, method, codeAttribute, typeAnnotation, this);
98    }
99}
100